Roberts, P. (1920). The problem of Americanization. Macmillan.
Chicagoスタイル(17版)引用形式Roberts, Peter. The Problem of Americanization. New York: Macmillan, 1920.
MLA(8版)引用形式Roberts, Peter. The Problem of Americanization. Macmillan, 1920.
警告: この引用は必ずしも正確ではありません.